<template>
  <el-dialog :visible.sync="visible" :title="!dataForm.id ? $t('add') : $t('update')" :close-on-click-modal="false"
    :close-on-press-escape="false">
    <el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmitHandle()"
      :label-width="$i18n.locale === 'en-US' ? '120px' : '80px'">
      <el-form-item v-if="!dataForm.id" label="Choose teacher" prop="receiverId">
        <el-select v-model="dataForm.receiverId" clearable placeholder="Please select a teacher">
          <el-option
          v-for="item in teacherDataList"
          :key="item.id"
          :label="item.realName"
          :value="item.id">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="messageContent" prop="messageContent">
        <el-input v-model="dataForm.messageContent" placeholder="messageContent"></el-input>
      </el-form-item>
    </el-form>
    <template slot="footer">
      <el-button @click="visible = false">{{ $t('cancel') }}</el-button>
      <el-button type="primary" @click="dataFormSubmitHandle()">{{ $t('confirm') }}</el-button>
    </template>
  </el-dialog>
</template>

<script>
import debounce from 'lodash/debounce'
export default {
  data() {
    return {
      visible: false,
      dataForm: {
        id: '',
        senderId: '',
        receiverId: '',
        messageContent: ''
      },
      teacherDataList: []
    }
  },
  computed: {
    dataRule() {
      return {
        senderId: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ],
        receiverId: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ],
        messageContent: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ],
        updater: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ],
        updateDate: [
          { required: true, message: this.$t('validate.required'), trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    init() {
      this.visible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].resetFields()
        if (this.dataForm.id) {
          this.getInfo()
        } else {
          this.queryTeaUserToStu()
        }
      })
    },
     // 获取教师信息
     queryTeaUserToStu() {
      this.$http
        .get(`/sys/user/queryTeaUserToStu`)
        .then(({ data: res }) => {
          if (res.code !== 0) {
            return this.$message.error(res.msg);
          }
          this.teacherDataList = {
            ...this.teacherDataList,
            ...res.data,
          };
        })
        .catch(() => { });
    },
    // 获取信息
    getInfo() {
      this.$http.get(`/teacher/message/${this.dataForm.id}`).then(({ data: res }) => {
        if (res.code !== 0) {
          return this.$message.error(res.msg)
        }
        this.dataForm.senderId = res.data.receiverId
        this.dataForm.receiverId = res.data.senderId
      }).catch(() => { })
    },
    // 表单提交
    dataFormSubmitHandle: debounce(function () {
      this.$refs['dataForm'].validate((valid) => {
        if (!valid) {
          return false
        }
        this.dataForm.id = ''
        this.$http.post('/teacher/message/', this.dataForm).then(({ data: res }) => {
          if (res.code !== 0) {
            return this.$message.error(res.msg)
          }
          this.$message({
            message: this.$t('prompt.success'),
            type: 'success',
            duration: 500,
            onClose: () => {
              this.visible = false
              this.$emit('refreshDataList')
            }
          })
        }).catch(() => { })
      })
    }, 1000, { 'leading': true, 'trailing': false })
  }
}
</script>
